Show:
Colour
Stereochemistry
Antioxidents
Rancidity
Science-ish
100
Found on leaves and green fruits and is necessary for photosynthesis
What is chlorophyll
100
A system that depends on the arrangement in space of the COOH, R, NH2 groups and H atom around the asymmetrical carbon
What is the CORN rule
100
One way antioxidants act by
reduce the availability of transition metal ions in a solution OR prevent the loss of electrons from fats and oils by donating electrons of their own
100
The three stages of Oxidative Rancidity are initiation, _______, and termination
What is propagation
100
Are you made of Copper and Tellurium because you're
CuTe
200
The most common pigment in nature
What is carotenoid
200
What causes the different flavours of oranges and lemons
Different enantiomers of limonene
200
Polyphenolic compounds found in all citrus fruits, green tea, red wine, oregano, and dark chocolate
What are flavonoids
200
The actions of an enzyme the oxidizes phenols released in damaged cells with molecular oxygen at alkaline pH to give quinone results in
What is browning
200
The only letter that is not found in the periodic table
the letter 'J'
300
Gives the blue or green hue found in live lobsters
What is red astaxanthin
300
How many different conventions for naming enantiomers are there?
3
300
1 Naturally occurring antioxidant
Vitamin E, Vitamin C, Selenium, beta-carotene
300
4 factors that affect the shelf life and quality of food
pH, water content, light, and temperature
300
Why does the noble gas cry?
Because all his friends argon
400
The structure and colour of anthocyanins change with this
What is pH
400
Form which most naturally occurring sugars exist in
What is the D-form
400
A common structural unit found on many synthetic antioxidants
What is the tertiary butyl group
400
The action of enzymes naturally present in the food and from chemicals reaction between the constituents in food and oxygen form this
What are deterioration results
400
Why didn't them chem teacher share his chemistry jokes?
He was afraid they wouldn't get a good reaction
500
Name the three properties Iron demonstrates in heme
forms coloured compounds, forms complex ions, able to form different oxidation states
500
The importance of stereochemistry in food is illustrated by this
What is optical activity
500
What does the removal of the free metal ion from solution as a chelate means?
It is not free to catalyse oxidation reactions
500
Caused by the breakdown of fats and ois into their component fatty acids and glycerol
What is Hydrolytic rancidity
500
What do chemists call a benzene ring with iron atoms replacing the carbon atoms?
A ferrous wheel